Bearing Assemblies are made by Ondrives.com in the UK. We are able to make in other materials and designs. Our steel versions are supplied lightly oiled no plating.
The BH bearing assemblie comes with its bearing or bearings fitted.
For fixing, use [H] holes for capscrew fixing, or alternatively the [d] tapped hole can be used for fitting.

For more on our machining and production see -